[NETWORKS] WK4 Wireshark

So, When I started using the Wireshark there were a issue. The wifi did not show any IP but my own traffic. So I banned my ip with  “!ip.addr == 128.122.151.122.” But still it showed nothing.

screen-shot-2016-10-08-at-16-40-57

 

So, I connected the LAN cable in the Room 20 and tuned off my wifi.  Also I banned my IP here.

thunder

And there were 8 to 10 IP sources and destinations. So I tracked the map to visualize where that is.

screen-shot-2016-10-08-at-16-57-58

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I also checked a number of traffic is going to Google.

screen-shot-2016-10-11-at-13-21-39

Also there are a number of Dropbox LAN Sync Protocol which I don’t know.screen-shot-2016-10-11-at-13-22-03

So, I searched and found the answer here.

https://www.dropbox.com/help/137

LAN sync is a Dropbox feature that speeds syncing dramatically when the file exists on your Local Area Network (LAN).

What does that mean exactly? Well, when you add a file to your computer’s Dropbox, the file is then synced with Dropbox servers. Dropbox will then initiate the syncing process as soon as it determines a change has been made to the file. All linked computers and shared folders will then download any new version of the file. With LAN syncing, Dropbox will look for the new file on your Local Area Network first, bypassing the need to download the file from Dropbox servers, thus speeding up the syncing process considerably.

LAN sync is an extra advantage for use in locations where computers are networked together over the same router or other local area network.

 

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